Methods for derivation, culture, and maturation of small hepatic progenitor cells are described.

The present invention relates to a method for the large-scale synthesis of an edible and hot steam sterilizable macroporous three-dimensional (3D) scaffold which comprises biocompatible polymers with interconnected pores as a support material for adherent cell growth, proliferation and differentiation, which may be used to obtain tissue with nutritive content and/or cultured meat. These scaffolds are suitable for supporting cell tissue growth for biomedical or food applications.

The present invention relates to a method for the large-scale synthesis of an edible and hot steam sterilizable macroporous three-dimensional (3D) scaffold which comprises biocompatible polymers with interconnected pores as a support material for adherent cell growth, proliferation and differentiation, which may be used to obtain tissue with nutritive content and/or cultured meat. These scaffolds are suitable for supporting cell tissue growth for biomedical or food applications.

The invention provides a method for constructing a hepatic progenitor cell-like cell bank, including successively performing following processes to human primary hepatocyte cultures from different donor sources: transformation-culture, cryopreservation treatment, proliferation-culture, a first subculture treatment, virus infection, a second subculture treatment, continuous selection-culture and continuous subculture. In the method for constructing a heterogenous immortal hepatic progenitor cell-like cell bank of the present invention, the human primary hepatocyte culture of each of the donor sources is transformation-cultured before the proliferation-culture, which is beneficial in endowing the human primary hepatocyte cultures with good proliferation performance. Once combined with subsequent controlling of culture parameter, the immortal hepatic progenitor cell-like cell lines obtained from different donor sources may have good in vitro proliferation ability. The invention also provides an application of the hepatic progenitor cell-like cell bank and cell lines obtained by the construction method.

The invention provides a method for constructing a hepatic progenitor cell-like cell bank, including successively performing following processes to human primary hepatocyte cultures from different donor sources: transformation-culture, cryopreservation treatment, proliferation-culture, a first subculture treatment, virus infection, a second subculture treatment, continuous selection-culture and continuous subculture. In the method for constructing a heterogenous immortal hepatic progenitor cell-like cell bank of the present invention, the human primary hepatocyte culture of each of the donor sources is transformation-cultured before the proliferation-culture, which is beneficial in endowing the human primary hepatocyte cultures with good proliferation performance. Once combined with subsequent controlling of culture parameter, the immortal hepatic progenitor cell-like cell lines obtained from different donor sources may have good in vitro proliferation ability. The invention also provides an application of the hepatic progenitor cell-like cell bank and cell lines obtained by the construction method.

The present invention relates to the pharmaceutically-induced enhancement of DNA damage repair in cells and potential therapeutic applications thereof. In particular, the present invention is directed to an inhibitor of DREAM complex assembly and/or function for use in repairing DNA damage in a cell of a subject. The inhibitor of DREAM complex assembly may be an inhibitory nucleic acid inhibiting the expression of a component of the DREAM complex or an antibody to a component of the DREAM complex. Further disclosed is an inhibitor of DREAM complex assembly and/or function for use in treating and/or preventing a condition associated with DNA damage in a cell in a subject, such as age-related diseases and symptoms of ageing, a progeroid syndrome, acute radiation syndrome, chronic radiation syndrome, Xeroderma pigmentosum, Nijmegen breakage syndrome, Fanconi anemia and ataxia. The invention further discloses a method for obtaining at least one cell with reduced DNA damage, wherein the method comprises steps of providing at least one cell, and treating said at least one cell with an inhibitor of DREAM complex assembly and/or function to repair DNA damage in said cell. Finally, the invention provides pharmaceutical compositions comprising the at least one cell obtainable by said method.

The present invention relates to the pharmaceutically-induced enhancement of DNA damage repair in cells and potential therapeutic applications thereof. In particular, the present invention is directed to an inhibitor of DREAM complex assembly and/or function for use in repairing DNA damage in a cell of a subject. The inhibitor of DREAM complex assembly may be an inhibitory nucleic acid inhibiting the expression of a component of the DREAM complex or an antibody to a component of the DREAM complex. Further disclosed is an inhibitor of DREAM complex assembly and/or function for use in treating and/or preventing a condition associated with DNA damage in a cell in a subject, such as age-related diseases and symptoms of ageing, a progeroid syndrome, acute radiation syndrome, chronic radiation syndrome, Xeroderma pigmentosum, Nijmegen breakage syndrome, Fanconi anemia and ataxia. The invention further discloses a method for obtaining at least one cell with reduced DNA damage, wherein the method comprises steps of providing at least one cell, and treating said at least one cell with an inhibitor of DREAM complex assembly and/or function to repair DNA damage in said cell. Finally, the invention provides pharmaceutical compositions comprising the at least one cell obtainable by said method.

The present application provides materials and methods for treating a patient with one or more conditions associated with ANGPTL4 whether ex vivo or in vivo. In addition, the present application provides materials and methods for editing and/or modulating the expression of ANGPTL4 gene in a cell by genome editing.

The present application provides materials and methods for treating a patient with one or more conditions associated with ANGPTL4 whether ex vivo or in vivo. In addition, the present application provides materials and methods for editing and/or modulating the expression of ANGPTL4 gene in a cell by genome editing.

A method of treating a subject in need of a non-syngeneic cell or tissue graft is disclosed. The method comprising: (a) transplanting into a subject a dose of T cell depleted immature hematopoietic cells, wherein the T cell depleted immature hematopoietic cells comprise less than 5×10.sup.5 CD3.sup.+ T cells per kilogram body weight of the subject, and wherein the dose comprises at least about 5×10.sup.6 CD34+ cells per kilogram body weight of the subject; and subsequently (b) administering to the subject a therapeutically effective amount of cyclophosphamide, wherein the therapeutically effective amount comprises 25-200 mg per kilogram body weight, thereby treating the subject.